(me )the gabrielsons ran a family relay race. the distance run by each family member (in kilometers) is listed below. 11,4,8,2,5 find the mean distance.

)a smart phone has dimensions of 4.9 inches (height), 2.3 inches (width) and 8.0 millimeters (depth). what is the volume of the smart phone in cubic centimeters? (1 in = 2.54 cm)

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?